vice president joe biden is speaking out and refusing to back down from a proposed assault weapons ban. the vice president spoke to npr about the need to limit large capacity magazines too. >> in newtown, those 20 beautiful babies and six serious people trying to help them, administrators and teachers, all dead, today. the police responded in 2 1/2 minutes. 2 1/2 minutes. this guy had 30-round clips in it. if that had been only ten rounds, who knows whether one or two or five or seven of those people would be alive today. >> or he could have just reloaded and loaded another magazine. >> that's not true. that's not true. because he reloaded with 30-round clips and that's as far as he got. just do the math. >> the vice president continues his message today. he and new york mayor, michael bloomberg, will speak next hour. they'll be joined by families from newtown, connecticut. cnn national correspondent susan candiotti is outside the event in new york. good morning, susan. >> reporter: good morning, carol. yes, you know, the chances of currently passing a strong gun control legislation ap